package demo02;

public class Test01 {
    public static void main(String[] args) {
        int r=1;
        while (true){
            if (r*r*3.14<50){
                System.out.println("圆的半径为："+r+"    圆的面积为"+r*r*3.14);
            }else {
                break;
            }
            r++;
        }

    }
}
